yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/if_feature/IfFeatureStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.if_feature;
   9
  10 import java.util.Set;
  11 import java.util.function.Predicate;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.common.YangVersion;
  14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureStatement;
  17 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  21
  22 public final class IfFeatureStatementSupport extends AbstractStatementSupport<Predicate<Set<QName>>, IfFeatureStatement,
  23         EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement>> {
  24     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  25         YangStmtMapping.IF_FEATURE)
  26         .build();
  27     private static final IfFeatureStatementSupport INSTANCE = new IfFeatureStatementSupport();
  28
  29     private IfFeatureStatementSupport() {
  30         super(YangStmtMapping.IF_FEATURE);
  31     }
  32
  33     public static IfFeatureStatementSupport getInstance() {
  34         return INSTANCE;
  35     }
  36
  37     @Override
  38     public Predicate<Set<QName>> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  39         if (YangVersion.VERSION_1_1.equals(ctx.getRootVersion())) {
  40             return IfFeaturePredicateVisitor.parseIfFeatureExpression(ctx, value);
  41         }
  42
  43         final QName qname = StmtContextUtils.parseNodeIdentifier(ctx, value);
  44         return setQNames -> setQNames.contains(qname);
  45     }
  46
  47     @Override
  48     public IfFeatureStatement createDeclared(final StmtContext<Predicate<Set<QName>>, IfFeatureStatement, ?> ctx) {
  49         return new IfFeatureStatementImpl(ctx);
  50     }
  51
  52     @Override
  53     public EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement> createEffective(
  54             final StmtContext<Predicate<Set<QName>>, IfFeatureStatement,
  55             EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement>> ctx) {
  56         return new IfFeatureEffectiveStatementImpl(ctx);
  57     }
  58
  59     @Override
  60     protected SubstatementValidator getSubstatementValidator() {
  61         return SUBSTATEMENT_VALIDATOR;
  62     }
  63 }